find the z-score, which is used to find probability that a sample of 34 cans will have an average amount greater than 16.01 ounces.

Q: Forty-three randomly selected students were asked if they take Chemistry. The test statistic for the…

A: Claim :p<0.67 Test statistics z= -1.971

Q: 220 students were asked how many cup of coffee they bought every day.  Number of Cups: 0,1,4,12,15…

A: Given information: Number of cups 0 1 4 12 15   Number of students 61 84 45 22 8 220

Q: You throw a ball as far as you can 5 times, recording the distance for each throw: 165 feet, 184…

A: since only 5 observation is given we will consider them as sample (n = 5)and population (N = 100)…

Q: Find the variance of the given population: -8, 9, 10, -10, 7, 6, 4, 3 O 7.07 O 7.56 O 57.13 O 49.98

A: Given : -8,9,10,-10,7,6,4,3

Q: On his 6 Algebra tests, Omar received the following scores: 82, 44, 92, 86, 77 & 82. Find the mean,…

A: Since you have posted multiple questions with multiparts and we can answer three subparts of a…

Q: Find the sample mean. Sample: 6, 8, 12, 19, 25 O A. x 14 O B. x- 15 OC. p 14 O D. p=13

A: Given that,In a data set,6, 8, 12, 19, 25Total number of observations = 5

Q: According to College Board the scores on the AP History exam are normally distributed with N(72,…

A:

Q: A professional basketball player typically attempts 8 free throws per game. Let X represent the…

A: To find the median of the distribution, you'll first need to arrange the outcomes in ascending order…

Q: Find the range , the standard deviation, the variance for 45, 75, 84, 58, 81, 65 , 98,63,76

A: Range = Maximum - Minimum = 98 - 45 = 53   The standard deviation can be determined using the…

Q: I asked a sample of SCOB instructors how many football games they watched a particular weekend and…

A: From the provided information, The data values are as follow: 0, 3, 4, 1 Sample size (n) = 4

Q: The histogram below gives the length of service of members of the Department of Chemistry at a…

A: Given:

Q: Heights of NBA All-Star players are normally distributed. 97.5% of players have a height of 85…

A:

Q: A football kicker makes 70% of his field goals. If he attempts 20 field goals, determine the mean…

A: Determine the mean number of field goals made by football kicker. From the information, given that a…

Q: Record the type of screened electronic devices (ipad, iphone, TV, laptop, etc) you have in your home…

A: The data measured in the experiment are of four types, they are nominal, ordinal, interval and…

Q: A rowing team consists of three rowers who weigh 162, 166 and 170 pounds. Fihd all with replacement…

A: Given population = 162, 166, 170 Population size = 3 Sample size = 2

Q: 1. From the following data, 8, 7, 9, 6, 8, 10, 9, 9, 5, 7, 4, 11,2 a) Find the Median, Lower…

A: Given data in ascending order is shown below 2, 4, 5, 6, 7, 7, 8, 8, 9, 9, 9, 10, 11 n = 13

Q: Annual starting salaries for college graduates with degrees in business administration are generally…

A: Given, c=95% Range=35000-20000=15000

Q: Yi = 5,25,50,100,200.

A: Given data isYi = 5,25,50,100,200

Q: A research firm claims that the distribution of the days of the week that people are most likely to…

A: The question is about categorical data analysis.Given :

Q: Interpret the quartiles. Choose the correct answer below.

A: to find to interpret quartiles.

Q: The test scores of 10 randomly selected students are listed below. Find the median. 30 35 43 44 47…

A:

Q: Pick any 10 two-digit number of your choice and calculate the mean, variance, IQR, and range of any…

A: Let the sample be  28, 21, 22, 28, 34, 26, 57, 48, 35, 31 Sample arranged in ascending order: 21,…

Q: d. The degrees of freedom = e. The test-statistic for this data = (Please show your answer to three…

A: d. Degrees of freedom: df=number of categories-1   =4-1   =3

Q: A measure of tire wear is the percentage of tire groove lost by the tire since new. A senior JJ…

A: From the provided information,n = 15The data values are as follow:…

Q: A student takes a multiple-choice test that has 6 questions. Each question has four choices. student…

A: It is given that,  A student takes a multiple-choice test that has 6 questions i.e. n=6 Each…

Q: 1. How are the collection of all sample proportions of samples of size 172 distributed? NO 2. What…

A: Given Information: Sample size (n) = 172 studentsPopulation Proportion (p) = 0.51. The distribution…

Q: The medical records of infants delivered at Kaiser Memorial Hospital show tl distribution of infant…

A: Given information: Mean=20 Standard deviation=2.6 The proportion of infants among those delivered at…

Q: The arm span and foot length were measured (in centimeters) for each of the 19 students in a…

A: The objective is to find out the predicted foot length for a student with an arm span of 160cm.

Q: Yi = 5,25,50,100,200.

A:

Q: Find the weighted mean of four test results, 65, 89, 105 and 101, where the first test counts 22%,…

A: Given:   x weight 65 22% 89 32% 105 17% 101 29%

Q: About 5% of the population own a Playstation. 400 people are randomly selected. Find the mean for…

A: Given, Probability = p = 0.05 Sample size = n =400 By using normal distribution mean we calculate…

Q: Four of your classmates measured the diagonal length of the blackboard. Classmate A measured it as…

A:

Q: Of the minivans surveyed, Honda had the best MPG. Vhich type of statistics are these? Inferential O…

A: Given Statesmen : The above statement is based on some survey . The survey is used to record the…

Q: Find the point estimate of p and 96% CI.

A: Given: X: Number of students responded as Yes = 32 n: Total number of students = 100

Q: Each of the 5 cats in a pet store was weighed. Here are their weights (in pounds). 13, 12, 5, 12, 9…

A: Weight of the 5 cats are given as 13, 12, 5, 12, 9 (In pounds) Find the mean and the median.

Q: Determine whether each sample is a random sample or a biased sample. Explain. 1. Carlos chooses 50…

A: Given that Carlos chooses 50 movies at random from a list of all his movies.  Since he picked them…

Q: It is not important to collect samples randomly. True or false

A: Any sample must be collected using the random techniques. If the samples are not collected randomly…

Q: You want to know if male green darner dragonflies (Anax junius) are territorial so you collect data…

A: Given The data is as follows: Number of male green darners/square meter 7 6 7 7 8 7…

Q: T or F. Explain answers.  a. The elementary units are also the sample units in Random Sampling…

A: Here 2 statements are mentioned We have to check these are true or false.